Grand Prix V6-3.8L VIN 2 (2004)
Control Module HVAC: Description and Operation
HVAC CONTROL MODULE
The HVAC control module is a Class 2 device that interfaces between the operator and the HVAC system to maintain air temperature and distribution
settings. The battery positive voltage circuit provides power that the control module uses for keep alive memory (KAM). If the battery positive voltage
circuit loses power, all HVAC DTCs and settings will be erased from KAM.
The control module supports the features.
